The complete property index
Explore 47 documented properties across architecture, ownership, restoration, engineering, landscape, and culture.
Filter the Concierge file by country, era, property type, or present status. Every result links to a fully sourced feature.
Showing all 47 properties.
Umm Al Sheif, Dubai · United Arab Emirates
Inside a newly completed AED 148 million Dubai mansion with four levels, a dedicated wellness floor, floating stair, indoor plunge pool, and six-car gallery.
Highland Park, Texas · United States
Inside 4215 Lakeside Drive, Anton Korn’s Italian Renaissance estate in Highland Park, on the day it opens before a major restoration.
Beverly Hills, California · United States
How 555 Vick Place combines two adjoining residences, nearly 50,000 square feet of land, a 60-foot pool, and a single architectural identity.
Key Biscayne, Florida · United States
Inside the $237 million Key Biscayne estate with a listing-identified cinematic glass elevator, piano-shaped pool, private marina, and exceptional bay frontage.
Exuma, Bahamas · Bahamas
Little Norman’s Cay, currently offered by Sotheby’s at a $75 million asking price, with a limestone marina, courtyard villa, and island infrastructure.
Coral Gables, Florida · United States
Inside 8901 Arvida Lane, the $148 million Coral Gables estate with a private chapel, botanical grounds, guest villa, waterfront gym, and 245 feet of deep water.
Cap d’Antibes, France · France
How Domaine de la Belle Étoile combines a contemporary six-bedroom villa with a restored tennis clubhouse and converted fisherman’s cottage on Cap d’Antibes.
Mumbai, India · India
Antilia stacks a mansion-scale private program into a 173-metre Mumbai tower. Its concrete core, cantilevers, wind limits, and uneven loads required skyscraper engineering.
Los Angeles, California · United States
Inside Bellagio Place, the $88 million Bel Air mansion where a 350-foot drive, 50-foot water wall, automotive gallery, rooftop terrace, and 90-foot pool turn arrival into spectacle.
Heart Island, New York · United States
Boldt Castle
Palm Beach, Florida · United States
Casa Eleda links its Palm Beach mansion to an Atlantic parcel through a private tunnel beneath South Ocean Boulevard, an elevator, and a beachfront cabana.
Toronto, Ontario · Canada
Casa Loma used an 800-foot underground tunnel to connect Toronto’s 98-room mansion with its earlier stable and service complex across Austin Terrace.
Drewsteignton, England · United Kingdom
How Castle Drogo dismantled battlements, numbered more than 3,500 granite blocks, and rebuilt 28 roof areas around a flexible waterproofing system.
North Yorkshire, England · United Kingdom
A 1940 fire destroyed nearly a third of Castle Howard. Its reconstruction now spans the dome, Great Hall, collections, and a room reopened after 85 years.
Strangford, Northern Ireland · United Kingdom
Castle Ward divides one 18th-century mansion between a formal Classical entrance front and a castellated Gothic garden front—and carries the split inside.
Loir-et-Cher, France · France
Inside Château de Chambord’s double-helix staircase, where two helical flights wind around one core before reaching the Renaissance château’s roof terrace.
Chenonceaux, France · France
How Château de Chenonceau’s gallery over the River Cher became a First World War hospital ward and, from 1940 to 1942, a passage into unoccupied France.
Rothbury, England · United Kingdom
How Cragside connected engineered lakes, gravity-fed plumbing, hydraulics, water-powered machinery, and early electric light inside one Victorian mansion.
Eltham, London · United Kingdom
How Eltham Palace joined Edward IV
Doylestown, Pennsylvania · United States
Henry Chapman Mercer built Fonthill from models, sketches, hand-mixed concrete, embedded tiles, and a design that continued to change during construction.
Maincy, France · France
Vaux-le-Vicomte joined architecture, decoration, and landscape into one political display. Nicolas Fouquet’s arrest was already being planned before its famous 1661 fête.
Los Angeles, California · United States
Inside 11201 Chalon Road, the $400 million Bel Air estate with 39 bedrooms, nearly eight acres, a 25-car garage, hammam, cinema, and reported X-ray room.
San Simeon, California · United States
William Randolph Hearst and Julia Morgan developed Hearst Castle from 1919 to 1947, building a 165-room California estate through decades of revision.
Bel Air, California · United States
Inside La Fin, the active $99.95 million Bel Air mansion whose listing says the seller accepts cryptocurrency, with a 44-foot chandelier and vehicle elevator.
Dural, New South Wales · Australia
Le Palais in Dural brings nearly an acre of interior space, 11 bedrooms, 20 bathrooms, five commercial kitchens, and parking for more than 40 vehicles into one private estate.
Natchez, Mississippi · United States
Inside Longwood in Natchez, where a 32-room octagonal mansion still preserves unfinished floors, temporary stairs, exposed framing, and the labor history of its interrupted construction.
Elkins Park, Pennsylvania · United States
Lynnewood Hall is preparing for broad public access while its nonprofit owner begins a restoration expected to cost tens of millions of dollars.
Isle of Bute, Scotland · United Kingdom
Inside Mount Stuart’s 80-foot Marble Hall, where a reversed celestial map sits above pioneering electric light, central heating, a lift, and an indoor pool.
Huntington, New York · United States
Oheka Castle heads to an October 27 auction with a 34-suite hospitality operation and an approved 95-unit condominium plan that still requires further review.
Old Westbury, New York · United States
Peggie Phipps Boegner helped preserve Old Westbury Gardens after realizing the family estate might disappear. Its National Register record was published 50 years ago today.
Death Valley, California · United States
Guided exterior tours have returned to Scotty’s Castle while the National Park Service continues flood recovery, utility reconstruction, collections work, and historic-building repairs.
Mafra, Portugal · Portugal
Inside Portugal’s Palace of Mafra, where six pipe organs, 120 bells, a 232-metre enfilade, and a monumental library turned architecture into royal ceremony.
Hollywood Hills, California · United States
How Curson Terrace uses more than 100 deep caissons, massive concrete construction, and a three-level program to occupy a Hollywood Hills promontory.
Newport, Rhode Island · United States
After an 1892 fire, The Breakers used steel, masonry, a remote boiler plant, redundant lighting, and vertical water systems to support a Newport estate at industrial scale.
Rio de Janeiro, Brazil · Brazil
Palácio do Catete served as Brazil’s presidential palace from 1897 until the federal capital moved to Brasília in 1960.
Honolulu, Hawaiʻi · United States
After Hawaiʻi’s monarchy was overthrown, ʻIolani Palace lost much of its interior. Its recovery now reaches across archives, auctions, and continents.
Sintra, Portugal · Portugal
Monserrate joined a restored Romantic palace with a 50-hectare botanical landscape assembled from plants gathered across the world.
Saint-Jean-Cap-Ferrat, France · France
Inside Villa Ephrussi de Rothschild, the rose-colored French Riviera estate shaped by Béatrice de Rothschild through architecture, collections, gardens, and controlled views.
Buckinghamshire, England · United Kingdom
Waddesdon Manor joined French château architecture, modern Victorian services, collecting, and carefully staged hospitality on a Buckinghamshire hill.
Asheville, North Carolina · United States
Biltmore
Wilson, Wyoming · United States
Inside 1120 S Thunder Road, the $48.5 million Wyoming estate where two curved glass wings follow 36 acres of woodland, water, and Teton views.
Peninsula Papagayo, Costa Rica · Costa Rica
Villa Avellana, a $37.5 million Costa Rican estate, raises roughly 33,000 square feet above the tropical terrain on a platform supported by 950 columns.
Lake Massaciuccoli, Italy · Italy
Inside Villa Ginori, the 4,000-square-metre Tuscan estate where water passes beneath a Neo-Gothic villa into a covered dock once used by Giacomo Puccini.
Essen, Germany · Germany
Alfred Krupp’s 399-room Villa Hügel used an iron frame, experimental climate systems, private utilities, and an estate operation staffed at industrial scale.
Bel Air, Los Angeles · United States
Inside Villa Siena, the $135 million Bel Air mansion with a retractable primary-suite roof, suspended four-story stair, forest spa, and six-car jazz club.
Miami, Florida · United States
Vizcaya concealed reinforced concrete, elevators, refrigeration, and communications systems behind an intentionally aged Italian-villa image. Its 2026 preservation work now confronts wind and water.
Winterthur, Delaware · United States
How Winterthur began with twelve rooms, grew across generations, and reached 175 after Henry Francis du Pont
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